Question

Is (3, –71) a solution to the equation y = x − 74?

Answer 1

Let's evaluate the point:

$\begin{gathered} (x,y)=(3,-71) \\ y=x-74 \\ so\colon \\ -71=3-74 \\ -71=-71 \\ True \end{gathered}$

Therefore, the point (3,-71) is a solution to the equation y = x - 74